Idiom of the day :- If the cap fits, wear it

Usage, examples and definition of the Idiom :-

If something unpleasant is said about someone, something that could just as easily apply to you, you should take notice of it. If necessary, you should accept is as constructive criticism. That’s what we mean when we say if the cap fits, wear it. ‘I didn’t say you look funny, but if the cap fits, wear it !’